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ISO 2481:1973
M00001074
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ISO 2481:1973 Sodium chloride for industrial use -- Determination of halogens, expressed as chlorine -- Mercurimetric method
standard by International Organization for Standardization, 01/01/1973
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The principle of the analysis consists in titration of the halogen ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. The main solution for the determination is prepared according to ISO 2479.